11220300123220 has 12 divisors (see below), whose sum is σ = 23562630258804. Its totient is φ = 4488120049280.

The previous prime is 11220300123217. The next prime is 11220300123251. The reversal of 11220300123220 is 2232100302211.

It can be written as a sum of positive squares in 2 ways, for example, as 1803466356624 + 9416833766596 = 1342932^2 + 3068686^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 280507503061 + ... + 280507503100.

It is an arithmetic number, because the mean of its divisors is an integer number (1963552521567).

Almost surely, 2^{11220300123220} is an apocalyptic number.

11220300123220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11220300123220 is an abundant number, since it is smaller than the sum of its proper divisors (12342330135584).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11220300123220 is a wasteful number, since it uses less digits than its factorization.

11220300123220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 561015006170 (or 561015006168 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 11220300123220 its reverse (2232100302211), we get a palindrome (13452400425431).

The spelling of 11220300123220 in words is "eleven trillion, two hundred twenty billion, three hundred million, one hundred twenty-three thousand, two hundred twenty".